Energy Flow In Ecosystems 3.3

Question 0

Food chain

Answer 0

Many steps where organisms transfer energy by eating and being eaten.

Question 1

How does energy flow through ecosystems?

Answer 1

In a one way stream, from primary producers to various consumers.

Question 2

Phytoplankton

Answer 2

In some aquatic food chains, primary producers are a mixture of floating algae called phytoplankton.

Question 3

Usually how many steps in a food chain?

Answer 3

Four.

Question 4

Food web

Answer 4

Network of interactions by the feeding relationships among different organisms In an ecosystem.

Question 5

Zooplankton

Answer 5

Diverse group of small swimming animals.

Ex: krill

Question 6

Tropic level

Answer 6

Each step in a food chai or food web

Question 7

Ecological pyramids

Answer 7

Pyramid of numbers, biomass, and energy.

Question 8

Pyramid of energy

Answer 8

Shows the amount of energy available at each tropic level of a food chain or web.

Question 9

Biomass

Answer 9

Total amount of living tissue within a specific tropic level.

Question 10

Pyramid of biomass

Answer 10

Shows the amount of living organic matter available at each tropic level in an ecosystem.

Question 11

Pyramid of numbers

Answer 11

Show the number of individual organisms at each tropic level in an ecosystem.